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GHSA-jwh2-ffg4-48xc

Improper Limitation of a Pathname to a Restricted Directory in Fabric8 Kubernetes Client

Source: GitHub Advisory Database (reviewed) High CVE-2021-20218

Packages

EcosystemPackageAffectedFixed in
Maven io.fabric8:kubernetes-client >= 4.2.0, < 4.7.2 4.7.2
Maven io.fabric8:kubernetes-client >= 4.8.0, < 4.11.2 4.11.2
Maven io.fabric8:kubernetes-client >= 4.12.0, < 4.13.2 4.13.2
Maven io.fabric8:kubernetes-client >= 5.0.0, < 5.0.2 5.0.2

Details

As written in the advisory (Markdown source, shown as plain text).

A flaw was found in the fabric8 kubernetes-client in version 4.2.0 and after. This flaw allows a malicious pod/container to cause applications using the fabric8 kubernetes-client `copy` command to extract files outside the working path. The highest threat from this vulnerability is to integrity and system availability. This has been fixed in kubernetes-client-4.13.2 kubernetes-client-5.0.2 kubernetes-client-4.11.2 kubernetes-client-4.7.2

References

External links from the advisory. They lead to third-party sites.